Celebrity watchdogs are buzzing that the hideous red marks that erupted around Holmes' mouth shortly after the couple announced their romance in early May are the nasty side effects of a Church of Scientology "detoxification" procedure involving the vitamin niacin...

The B-complex vitamin - which is used in traditional medicine to decrease cholesterol and improve circulation - can cause a red flush on the face and a diffuse itchy rash on the body when taken in large doses.